BMW 3: Operating materials
BMW 3 Series G20 (2018-2026) Owners Manual / Operating materials
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Fuel recommendation
General information
Depending on the region, many gas stations sell
fuel that has been customized to winter or
summer conditions. Fuel that is available in winter,
for instance helps make a cold start
Engine oil
General information
The engine oil consumption is dependent on
your driving style and driving conditions.
Therefore, regularly check the engine oil level after
refueling by taking a detailed measurem
Coolant
General information
Coolant consists of water and additives.
Not all commercially available additives are suitable
for the vehicle. Information about suitable additives
is available from a dealer's s
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Engine identification
B46TU engine
Engine identification - transverse mounted shown
B48TU engine
Engine identification - transverse mounted shown
Engine number
Engine identification
The 7-digit engine identification is located on the crankcase in the area of
the mounting for the
crankshaft alignment pin. The first
Navigation data
General information
Navigation data is stored in the vehicle and can
be updated from a USB storage device.
Current navigation data is available from a dealer's
service center or another qualified service
center or repair shop or in the ConnectedDrive
Store.
Depending on the data volume, the naviga
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